Battery terminal connecter



June 9 W360 J. M. Puucn BATTERY TERMINAL CONNEGTER Filed Feb. 2, 1935 awe/Win1 ici Patented June 9, 1936 UNITED STATES PATENT OFFICE 2,043,557 BATTERY TERMINAL commcmn 'Joseph M. Pulici. Hawley, Pa. Application February 2, 1935, Serial No. 4,103 1 Claim. (Cl. 113-259) This invention relates to improvements in a battery terminal connecter, and it is primarily an object of the invention to provide a connecter of this kind wherein there is not less than a ninety percent contact between the socket member of the connecter and the battery post with which such socket member is adapted to be engaged.

Another object of the invention is to provide a connecter of this kind comprising a socket member of a split type together with an arcuate key for coaction with said socket member to maintain the desired clamping action of the socket member upon the terminal post of a hat- 5 tery and in a manner whereby liability of accidental displacement of the key is substantially eliminated.

The invention also has for an object to provide a connecter of this kind comprising a split socket 20 member for engagement with the terminal post of a battery together with a key for coaction with the split socket member to maintain the same in desired clamping engagement with the post, said key and its engagement with the socket member 25 being such as to substantially eliminate liability of accidental displacement of the key and which preferably requires impacts upon the key to effect.

a release of the socket member.

The invention consists in the details of con- 30 struction and in the combination and arrangement of the several parts of my improved battery terminal connecter whereby certain important advantages are attained and the device rendered simpler, less expensive and otherwise more con- 35 venient and advantageous for use, as will be herelnafter more fully set forth.

The novel features of my invention will hereinafter be definitely claimed.

In order that'my invention may be the better 40 understood,'I will now proceed to describe the same with reference to the accompanying drawing, wherein:-

Figure l is a view in top plan illustrating a connecter constructed in accordance with an em- 45 bodiment of my invention and in clamping engagement with the terminal post of a battery;

Figure 2 is a view in side elevation of the structure as illustrated in Figure 1- Figure 31s a sectional view taken substantially I 50 on the line 1- -3 of Figure 2.

As illustrat in the accompanying drawing, P denotes a c nventional type of battery terminal post with which my improved connecter C is t adapted to be employed. As herein disclosed my '55 connecter comprises a split socket member I possessing a'certaln degree of inherent resiliency whereby the same may be effectively clamped in close contact with the post P. The extremities of the socket member at the split ends thereof are continued somewhat to provide extensions or 5 arms 2. The opposed faces of these arms 2 are in relatively close proximity so that, as clearly illustrated in Figure 1, when the connecter is in applied or eifective position upon the post P the socket member I will have close contact of not 10 less than ninety percent with the post P.

Substantially diametrically opposed to the split, the socket member I carries a supplemental socket 4 of any preferred type and which is adapted to receive and have electrical connection with the bared end portion 5 of a conventional cable A.

The outer side face of eachof the extensions or 'arms 2 of the socket member I is provided entirely thereacross with a groove or channel 6 open at both ends and disposed on an arc of a circle. Both of these grooves or channels are scribed about substantially a common center. The base walls Ii of these grooves or channels 6 are disposed in convergence and from the top and bottom as illustrated in the accompanying drawing so that upon application of the key K to be hereinafter more particularly referred to, the extensions or arms 2 will be retracted one toward the other sufllciently to effect the desired close contact of the socket member I with the post P. p

As clearly illustrated in the accompanying drawing, the key K is substantially U-shaped in form and has its side arms I disposed lengthwise on a curvature similar to the curvature of the grooves or channels 6 of the extensions or arms 2 hereinbefore referred to. The opposed or inher edges of the side arms 'I are also in divergence and, as particularly illustrated in Figure 3, from a point immediately adjacent to the cross mem- 40 her 8 of the key to the outer ends of the side arms I. The angle of divergence of these inner edges of the arms I is also substantially the same as the angle of divergence of the base walls 6' of the grooves or channels 5.

with the key K removed or with the arms I of the key only slightly engaged within the grooves 6' of the socket member I, said socket member will be sufliciently expanded to allow the same to be disposed around the post P. By imposing suitable impacts upon the outer cross member 8 of the key K said side arms will be forced inwardly of the grooves or channels 6 in a direction lengthwise of the side .arms 'I and the v coaction of the inner edges of said arms I with the base walls 6' of the grooves Swill result a be assembled and operated, and it will also be contraction of the socket member I resulting in obvious that my invention is susceptible of some the same being brought into effective close or change and modification without departing from clamping engagement with the post P-and with the principles and spirit thereof and for this 5 not less than ninety percent of the terminal wall reason I do not wish to be understood as limita of the socket member I in direct contact with ing myself to the precise arrangement and forthe peripheral surfaceof the post P thus assurmation of the several parts herein shown in caringa connection of maximum efliciency. rying out my invention in practice except as The curvature of the arms 1 of the key K and hereinafter claimed.

10 the coaction of the same within the grooves 6 I claim:

provide means which effectively prevents acci- A terminal connecter of the class described dental displacement of the key and particularly comprising a split ring with arms extending from 16 This coaction of the key K with the socket membow side of the grooves being disposed toward it! tice that the-most efi'ective way to remove the a radii similar to the radii of the curvature of key when it is desired to disengage the com the grooves in the outer side faces of the arms,

20 necter from the post P is to impose a series of imsaid side arms of the key snugly engaging with- 2Q pacts upon the connecting member 8' of the key in the grooves of the arms of the connecter with I so as to cause said key to retract in a circular the inner edges of the side arms of'the key havpath of travel. 'ing close contact with the base walls of the From the foregoing description it is thought grooves, the base walls of the grooves being in 25 to be obvious that a battery terminal connecter convergence toward the-top faces of the arms 25 constructed in accordance with my invention is and the inner edges of the side arms of the key particularly well adapted for use by reason of diverging toward their outer ends. the convenience and facility with which it may JOSEPH M. PULICI. 

